#sudo su;
sudo mount -o remount,rw /; 
#sudo rm -rf /home/pi-star/backup.ok;  
#sudo wget -O /home/pi-star/backup.ok https://gitee.com/ytqkl/mmdvm-nextiondriver-command/raw/main/backup.ok;
#echo "ok";
cd /media/usb/
sudo curl  https://gitee.com/ytqkl/rpi-backup/raw/master/back.sh | sudo bash -s /media/usb/"$(date +%Y-%m-%d_%H-%M-%S)".img
sudo mount -o remount,ro /; 



